1 files changed, 61 insertions, 0 deletions
diff --git a/src/binary_reader.cpp b/src/binary_reader.cpp
index 5847328..04633a2 100644
--- a/src/binary_reader.cpp
+++ b/src/binary_reader.cpp
@@ -26,6 +26,11 @@ union IntAndFloat32bit{
   float f;
 };
 
+union IntAndFloat64bit{
+  uint64_t i;
+  double f;
+};
+
 }
 
 BinaryReader::BinaryReader(std::string file_path):
@@ -65,6 +70,37 @@ BinaryReader::read_ui32()
   return b1 << 24 | b2 << 16 | b3 << 8 | b4;
 }
 
+uint64_t
+BinaryReader::read_ui64()
+{
+  uint8_t b1{this->data[_pointer++]}, b2{this->data[_pointer++]},
+    b3{this->data[_pointer++]}, b4{this->data[_pointer++]},
+    b5{this->data[_pointer++]}, b6{this->data[_pointer++]},
+    b7{this->data[_pointer++]}, b8{this->data[_pointer++]};
+
+  return (uint64_t)b1 << 56 | (uint64_t)b2 << 48 | (uint64_t)b3 << 40 |
+    (uint64_t)b4 << 32 | (uint64_t)b5 << 24 | (uint64_t)b6 << 16 |
+    (uint64_t)b7 << 8 | (uint64_t)b8;
+}
+
+float
+BinaryReader::read_float()
+{
+  IntAndFloat32bit num;
+  num.i = read_ui32();
+
+  return num.f;
+}
+
+double
+BinaryReader::read_double()
+{
+  IntAndFloat64bit num;
+  num.i = read_ui64();
+
+  return num.f;
+}
+
 glm::vec2
 BinaryReader::read_vec2()
 {
@@ -81,6 +117,31 @@ BinaryReader::read_vec3()
   return glm::vec3{x.f, y.f, z.f};
 }
 
+glm::quat
+BinaryReader::read_quat()
+{
+  IntAndFloat32bit w{read_ui32()}, x{read_ui32()}, y{read_ui32()},
+    z{read_ui32()};
+
+  return glm::quat{w.f, x.f, y.f, z.f};
+}
+
+glm::mat4
+BinaryReader::read_mat4()
+{
+  glm::mat4 matrix;
+  float *offset_matrix_data{glm::value_ptr(matrix)};
+
+  for(int i{0}; i < 16; i++)
+  {
+    IntAndFloat32bit num;
+    num.i = read_ui32();
+    offset_matrix_data[i] = num.f;
+  }
+
+  return matrix;
+}
+
 void
 BinaryReader::read_chars(char *str, int size)
 {